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Old 12-28-2005, 08:07 AM   #1
mfrangos79
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Registered: Jun 2005
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dual boot


I have Linux/Debian installed on one hard disk,
and I have Windows/XP installed on another hard disk.

I connected both of them on the motherboard, and when the computer starts up,
'grub' shows just the Linux boot options (and they work ok).
How can I add windows on this boot list.. I know i have to add something
in /boot/grub/menu.lst but i dont know what...(the example in menu.lst adds
something on the boot list but doesn't load windows.. it just freezes).

I tried 'df' to check if I could see both hard disks info, but all
i could see was info for hda1 (linux). So i went in /ets/fstab and mounted the second hard drive(windows) .. and now i can see it (an its content) as /hdb1 ..but the problem is how do I boot windows??

Thank you for your help in advance!
 
Old 12-28-2005, 09:51 AM   #2
cuiq
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Location: Philly
Distribution: Debian Lenny, FreeBSD
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Your grub entry should read like this.

For Windows on primary hard drive;

title Windows XP
root (hd1,0)
makeactive
chainloader +1

or

For Windows on second (slave) hard drive;

title Windows XP
root (hd1,0)
makeactive
chainloader +1
map (hd0) (hd1)
map (hd1) (hd0)


Peace V
 
Old 12-28-2005, 11:33 AM   #3
michapma
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Distribution: Debian
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Quote:
Originally Posted by cuiq
Your grub entry should read like this.

For Windows on primary hard drive;

title Windows XP
root (hd1,0)
makeactive
chainloader +1
I'm pretty sure that should be

root (hd0,0)

...assuming that XP is on the first partition. If XP is not on a primary partition (it usually is), GRUB can't boot it. You can tell by executing fdisk -l (lowercase L). If XP is on hda1, hda2, hda3 or hda4 (or hdb), then it's on a primary partition.
 
Old 12-28-2005, 12:12 PM   #4
cuiq
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The reason for the (hd1,0) is because mfrangos79 made this statement.

Quote:
I tried 'df' to check if I could see both hard disks info, but all
i could see was info for hda1 (linux). So i went in /ets/fstab and mounted the second hard drive(windows) .. and now i can see it (an its content) as /hdb1 ..but the problem is how do I boot windows??
It's also why I added the "map" section in my post, which is what you want to do if windows is on the second hard drive hdd.

However you are quite correct that it should be (hd0,0) is windows is on the primary partition.

Peace V

Last edited by cuiq; 12-28-2005 at 12:14 PM.
 
Old 12-28-2005, 12:37 PM   #5
mfrangos79
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Registered: Jun 2005
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Thanks guys, cuiq is right
since Windows is on second (slave) hard drive I have tried the following and it works just fine!

Code:
title Windows XP
root (hd1,0)
makeactive
chainloader +1
map (hd0) (hd1)
map (hd1) (hd0)

Last edited by mfrangos79; 12-28-2005 at 12:38 PM.
 
Old 12-28-2005, 12:37 PM   #6
mfrangos79
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(Problem solved)
 
  


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